539451619728 has 320 divisors, whose sum is σ = 1709376307200. Its totient is φ = 143165975040.

The previous prime is 539451619697. The next prime is 539451619783. The reversal of 539451619728 is 827916154935.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162337075 + ... + 162340397.

It is an arithmetic number, because the mean of its divisors is an integer number (5341800960).

Almost surely, 2^539451619728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539451619728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854688153600).

539451619728 is an abundant number, since it is smaller than the sum of its proper divisors (1169924687472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539451619728 is a wasteful number, since it uses less digits than its factorization.

539451619728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3844 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 60.

The spelling of 539451619728 in words is "five hundred thirty-nine billion, four hundred fifty-one million, six hundred nineteen thousand, seven hundred twenty-eight".